Hello,
3 years ago I made a web2py site, which has run on a Raspberry Pi
without any problems since 3 years.
I now want to replace the Raspberry Pi with a Raspberry Pi Zero
(larger/faster).
I haven't used web2py for 3 years and thought simply installing a new
web2py and moving the application files would do the job, but
unfortunately this isn't enough.
But it wasn't that easy.
Probably something has changed and I can't find what's the crucial
difference.
The problem is in the service calls to get dynamic data in graphs
(dygraphs).
Old Web2py on the Raspberry Pi = version 2.9.5
I've tried 2 situations, which both give the same problem:
Windows 10: version 2.14.6
Raspberry: version 1.99(the official version from Raspberry?)
This surprises me, because one version is older and the other one is
newer, still the give the same problems.
Should I mess with routes or something like that ?
#************************************************************
In ../controllers/default.py
#************************************************************
from gluon.tools import Service
service = Service(globals())
def call():
##session.forget()
return service()
@cache('service_platdak_cache', cache_time_short, cache.ram )
def service_platdak_cache():
# Build the list of data samples here
Rows = []
Rows.append (...)
Rows.append (...)
Rows.append (...)
return Rows
@service.csv
def service_platdak():
return service_platdak_cache()
#************************************************************
In../views/default/index.html
I call the service
#************************************************************
<div id="pygraph2" style="clear:both; width:600px; height:330px;"></div>
<script type="text/javascript">
graph2 = new Dygraph(
document.getElementById ( "pygraph2" ),
"../call/csv/service_platdak",
{
customBars: false,
title: 'Platdak:Inkomsten / Uitgaven = {{=response.Inkomsten_Platdak}}',
legend: 'follow',
….
}
);
</script>
</div>
#************************************************************
Now if I ask the service in a browser
http://127.0.0.1:8000/SolarPower_Molenhoek/call/csv/service_platdak
I get:
invalid controller (call/csv)
If I ask for index.html in a browser, I don’t see any graphs.
If I look in the debug screen of the browser, I see
http://127.0.0.1:8000/SolarPower_Molenhoek/call/csv/service_platdak 404
(NOT FOUND)
Does anyone has a clue what's the problem/
Thanks, Stef
--
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